<template>
<div class="todo-header">
		<input type="text" placeholder="请输入你的任务名称，按回车键确认" v-model="title" @keyup.enter="add" />
	</div>
</template>

<script>
import {nanoid} from 'nanoid'
export default {
  name: 'MyHeader',
//   props:["addTodo"],
  data(){
	return{
		title:''
	}
  },
  methods:{
	add(){
		if(!this.title.trim()) return alert('输入为空！')
		// 输入包装成todo对象
		// const todoObj={id:nanoid(),title:e.target.value,done:false}
		const todoObj={id:nanoid(),title:this.title,done:false}
		console.log(todoObj)
		this.$emit('addTodo',todoObj)
		this.title=''
	}
  },
  
}
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
	/*header*/
	.todo-header input {
		width: 560px;
		height: 28px;
		font-size: 14px;
		border: 1px solid #ccc;
		border-radius: 4px;
		padding: 4px 7px;
	}

	.todo-header input:focus {
		outline: none;
		border-color: rgba(82, 168, 236, 0.8);
		box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
	}
</style>
